The core activity of DFX AG is providing services for the purchase and sale of cryptocurrencies, particularly through the development and integration of on- and off-ramp solutions for websites, apps, and software and hardware wallets. This also includes the development of open-source tools such as the DFX Toolbox and the BTC Taro App, which enable the direct purchase and sale of over 80 different cryptocurrencies and tokens in various wallets.